The right answer is (D) all of the above. Non-verbal communication is carried out through a wide variety of signs: sensory images (visual, auditory, olfactory ...), sounds, gestures, body movements, among others. And in this case the 3 options dads correspond to gestures of body language or kinésticos, sending messages without words (act of nonverbal communication)
Prison labor is a form of unfree labor. It is the forced labor done by the convicts in a prison. The prisoners may have to do even hazardous labor.
Effects that are dependent on the size of the population and regulate the growth of populations are called density-dependent effects.
1,2, skip some numbers, 999, 1000
That statement is false
antidepressants work by reducing the reuptake of neurotransmitters that exist in our brain. Antidepressant wont reduce the symptoms and behaviors, it only reduce the intensity of response that we usually have. Because of this, antidepressant usually could be resulted in loss of appetite and sexual drive.